On Monday night, Orbital ATK’s Antares rocket blasted off from Wallops Island, Va., for the first time in nearly two years since the Orb-3 launch accident. It marked the inaugural launch of the company’s new […]

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The OA-4 Cygnus spacecraft is pictured high above Bolivia, just prior to release by Canadarm2. Photo Credit: NASA/Scott Kelly/Twitter

Friday morning’s unberthing and departure of Orbital ATK’s OA-4 Cygnus cargo ship from the International Space Station (ISS)—wrapping up the first U.S. visiting vehicle mission of 2016, as well as marking the longest stay-time of […]

As the world bids farewell to 2015, we can reflect upon a dozen months which have seen success and failure in equal measure for America’s space program. High above our heads, unprecedented activity has been undertaken […]

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For the second time in as many days, United Launch Alliance (ULA) has postponed its record-tying ninth Atlas launch of 2015, due to inclement weather conditions. The mission is carrying Orbital ATK’s long-awaited OA-4 Cygnus cargo mission, bound for the International Space Station (ISS). The Centennial, Colo.-based launch provider’s workhorse Atlas V—flying in its […]

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From Orbital ATK: ” … We shipped the service module for our Cygnus spacecraft to NASA’s Kennedy Space Center for our next ISS cargo resupply mission, scheduled to launch in early December. Today’s OA-4 milestone marks a key step forward as we continue cargo delivery service to the ISS under the Commercial Resupply Services […]

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The first two RDR-181 engines are installed on a modified Antares core stage. Photo Credit: NASA / Terry Zaperach

While Orbital ATK remains on track to return their Antares rocket to flight early next year, the company announced it will purchase a second Atlas-V rocket from United Launch Alliance (ULA) to fly an additional […]

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File photo of a five-segment ATK solid rocket booster on the company’s test stand in Promontory, Utah. The 154-foot booster, which is in development for NASA’s Space Launch System (SLS), will produce heat two-thirds the temperature of the Sun, and its 12-foot-diameter cylinder will deliver 3.6 million pounds of thrust when the rocket ignites. […]